Er: YAG - Kyakkyawan 2.94 Um Laser Crystal
Bayanin Samfura
Wannan aikin yana duba alamomi da fasaha donE: YAGLaser fata resurfacing da kuma haskaka da rawar da interprofessional tawagar a kimantawa da kuma kula da marasa lafiya da suka sha Er: YAG Laser resurfacing fata.
Er: YAG wani nau'i ne mai kyau na 2.94 um Laser crystal, wanda aka yi amfani da shi sosai a tsarin likitancin Laser da sauran filayen.E: YAGcrystal Laser ne mafi muhimmanci abu na 3nm Laser, da gangara tare da high dace, iya aiki a dakin zafin jiki Laser, Laser kalaman yana cikin ikon yinsa, da mutum ido aminci band, da dai sauransu.
2.94 kuE: YAGLaser da aka yadu amfani da likita filin tiyata, fata kyakkyawa, hakori magani.Lasers powered by Er: YAG (erbium maye gurbinsu: yttrium aluminum garnet), aiki a 2.94 microns, lu'ulu'u biyu da kyau a cikin ruwa da ruwa ruwa. Wannan yana da amfani musamman ga aikace-aikace a fagen likitancin Laser da likitan hakora. Fitowar Er: YAG yana ba da damar saka idanu mara zafi na matakan sukari na jini, yayin da a amince da rage haɗarin kamuwa da cuta. Har ila yau, yana da tasiri don maganin Laser na nama mai laushi, irin su farfadowa na kwaskwarima. Hakanan yana da amfani don kula da nama mai wuya kamar enamel na hakori.
Er: YAG yana jin daɗin fa'ida akan sauran lu'ulu'u na Laser a cikin kewayon 2.94 micron a cikin cewa yana amfani da YAG azaman kristal mai watsa shiri. Abubuwan na zahiri, thermal da na gani na YAG sananne ne kuma an fahimta sosai. Masu zanen Laser da masu aiki na iya amfani da zurfin ƙwarewar su tare da Nd: YAG tsarin laser don cimma kyakkyawan aiki daga tsarin laser micron 2.94 ta amfani da Er: YAG.
Basic Properties
| Coefficient na Thermal Fadadawa | 6.14 x 10-6 K-1 |
| Tsarin Crystal | Cubic |
| Diffusivity na thermal | 0.041 cm2 s-2 |
| Thermal Conductivity | 11.2 W m-1 K-1 |
| Specific Heat (Cp) | 0.59 J g-1 K-1 |
| Ƙarfafa Shock Resistant | 800 W m-1 |
| Fihirisar Refractive @ 632.8 nm | 1.83 |
| dn/dT (Thermal Coefficient of Refractive Index) @ 1064nm | 7.8 10-6 K-1 |
| Nauyin Kwayoyin Halitta | 593.7 g mol-1 |
| Matsayin narkewa | 1965°C |
| Yawan yawa | 4.56 g cm-3 |
| MOHS Hardness | 8.25 |
| Modul na Matasa | 335 gpa |
| Ƙarfin Ƙarfi | 2 gpa |
| Lattice Constant | a = 12.013 Å |
Ma'aunin Fasaha
| Dopant maida hankali | Er: ~ 50 a% |
| Gabatarwa | [111] a cikin 5° |
| Karyawar Wavefront | ≤0.125λ/inch(@1064nm) |
| Rabon Kashewa | ≥25 dB |
| Girman sanda | Diamita: 3 ~ 6mm, Tsawon: 50 ~ 120 mm |
| A kan bukatar abokin ciniki | |
| Hakuri Mai Girma | Diamita: +0.00/-0.05mm, |
| Tsawon: ± 0.5mm | |
| Ganga Ƙarshe | Ƙarshen ƙasa tare da 400 # Grit ko goge |
| Daidaituwa | ≤10" |
| Daidaitawa | ≤5′ |
| Lalata | λ/10 @ 632.8nm |
| ingancin saman | 10-5 (MIL-O-13830A) |
| Chamfer | 0.15 ± 0.05mm |
| Tunani Mai Rufe AR | ≤ 0.25% (@2940nm) |
Kayayyakin gani da Spectral
| Canjin Laser | 4I11/2 zuwa 4I13/2 |
| Laser Wavelengtha | 2940nm ku |
| Photon Energy | 6.75×10-20J(@2940nm) |
| Sashin Giciyen Emission | 3 × 10-20 cm2 |
| Fihirisar Refraction | 1.79 @ 2940nm |
| Makada Pump | 600 ~ 800 nm |
| Canjin Laser | 4I11/2 zuwa 4I13/2 |
